Computer/Integrating Systems
- Schematic Wiring Diagrams
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Computer/Integrating Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B1000
- DTC B1004
- DTC B1007
- DTC B1009
- DTC B1397
- DTC B1440
- DTC B1477
- DTC U0100 - U0299
- DTC U1000
- DTC U1001-U1254
- DTC U1300, U1301, or U1305 (5.3L)
- DTC U1300, U1301, or U1305 (4.2L)
- DTC U2100
- DTC U2105-U2199
- Symptoms - Computer/Integrating Systems
- Scan Tool Does Not Power Up
- Scan Tool Does Not Communicate with Class 2 Device (4.2L w/o Immobilizer)
- Scan Tool Does Not Communicate with Class 2 Device (4.2L w/Immobilizer)
- Scan Tool Does Not Communicate with Class 2 Device (5.3L)
- Scan Tool Does Not Communicate with High Speed GMLAN Device
- Power Mode Mismatch
- Retained Accessory Power (RAP) On After Timeout (Except XUV)
- Retained Accessory Power (RAP) On After Timeout (XUV)
- Retained Accessory Power (RAP) Inoperative (Except XUV)
- Retained Accessory Power (RAP) Inoperative (XUV)
- Control Module References
- Data Link References
- Repair Instructions
- Description & Operation